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5305-00-031-1864

Find complete technical information, availability, and procurement data for: 5305-00-031-1864

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5305-00-031-1864
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-031-1864
Item Name Code
01852
Assigment Date
10/21/1972 (53 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

0.670 inches nominal fastener length, pan no. 2 head style, 0.260 inches minimum thread length, 2a thread class, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.260 inches minimum
Fastener Length
0.670 inches nominal
Head Style
pan no. 2
Head Diameter
0.306 inches minimum and 0.322 inches maximum
Head Height
0.085 inches minimum and 0.096 inches maximum
First Diameter From Head
0.110 inches minimum and 0.120 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.410 inches nominal
Internal Drive Style
slot
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
80000 pounds per square inch
Externally Relieved Body Diameter Quantity
1
Material
steel comp 304l or steel comp 316l or steel comp 302 or steel comp 347 or steel comp 321 or steel comp 317 or steel comp 316 or steel comp 310 or steel comp 309 or steel comp 305 or steel comp 304 or steel comp 301 or steel comp 303 or steel comp 303f or steel comp 303se or steel comp 308 or steel comp 309s or steel comp 310s or steel comp 314 or steel comp 323 or steel comp 324 or steel comp 348 or steel comp 385 overall
Surface Treatment
oxide and passivate overall
Surface Treatment Document And Classification
mil-c-13924,cl 3 mil spec 1st treatment response and mil-f-14072,finish e300 mil spec 2nd treatment response overall
Thread Series Designator
unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
SMB524763 Externally Relieved Body Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-031-1864?
The FSCG of the NSN 5305-00-031-1864 is 5305
Does the NSN 5305-00-031-1864 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-031-1864 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-031-1864 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-031-1864 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-031-1864 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sat, Oct 21, 1972

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